This book doesn’t belong to _____.  It is so interesting that I want to buy one for____.

Many students have interests. Some interests are relaxing and   are creative.

--- What’s wrong with my son, doctor?
--- ____________ serious, just a slight cold. He’d better drink some water.

I found there was only one copy of “Bighead Son and Small-head Father” on the bookshelf, so I decided to buy _______ at once.

This morning our head teacher came to school _________ than ________ student in our class.

Grades are really important, but they’re not ______ to us students. 

Tom has to leave now _________ he can catch the train.

— Would you like tea or water?
— _________ is OK. I really don't mind.

Tom is expecting a pet for long, but his daddy has no time to buy _________ for him.

Liu Xiang has failed over and over again in the past years. And that's _________ he succeeds.